Cisco 642-813 exam question

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QUESTION

Which statement is true about RSTP topology changes?

A. Any change in the state of the port generates a TC BPDU.

B. Only nonedge ports moving to the forwarding state generate a TC BPDU.

C. If either an edge port or a nonedge port moves to a block state, then a TC BPDU is generated.

D. Only edge ports moving to the blocking state generate a TC BPDU.

E. Any loss of connectivity generates a TC BPDU.

Answer: B

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